Patents by Inventor Eric Southern

Eric Southern has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Intumescent material
    Patent number: 4945015
    Abstract: An intumescent material comprises expandible graphite in a polymeric binder. The binder may be a flexible or elastomeric binder or a formaldehyde resin. A suitable flexible binder is a polymer selected from vinyl acetate polymers, styrene polymers, vinyl chloride polymers, acrylic polymers, vinyl butyral polymers, melamine/urea/phenol formaldehyde resins, polyesters and phenolic resins. A suitable elastomeric binder is a rubber. A suitable formaldehyde resin is melamine formaldehyde resin, urea formaldehyde resin, phenol formaldehyde resin or resorcinol formaldehyde resin.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: July 31, 1990
    Assignee: Dixon International Limited
    Inventors: Bruce A. Milner, Tessa Malcolm-Brown, Eric Southern